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annotate pylons_app/lib/simplehg.py @ 185:3380ca40cdba

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added version generation to pylons_app and showed it into template. Propagated baseController with some data for acces into each controller. Fixed simplehg middleware to get proper name of application
author Marcin Kuzminski <marcin@python-works.com>
date Sat, 22 May 2010 00:51:49 +0200
parents 24dbf4bc57aa
children 3d1dd13887f9
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1 #!/usr/bin/env python
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2 # encoding: utf-8
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3 #
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4 # Copyright (c) 2010 marcink. All rights reserved.
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5 #
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6 """
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7 Created on 2010-04-28
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8
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9 @author: marcink
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10 SimpleHG middleware for handling mercurial protocol request (push/clone etc.)
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11 It's implemented with basic auth function
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12 """
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13
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14 from mercurial.hgweb import hgweb
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15 from mercurial.hgweb.request import wsgiapplication
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16 from paste.auth.basic import AuthBasicAuthenticator
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17 from paste.httpheaders import REMOTE_USER, AUTH_TYPE
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18 from pylons_app.lib.utils import is_mercurial
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19 from pylons_app.lib.auth import authfunc
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20 from pylons_app.lib.utils import make_ui, invalidate_cache
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21 from webob.exc import HTTPNotFound
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22 import os
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23
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24 class SimpleHg(object):
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25
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26 def __init__(self, application, config):
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27 self.application = application
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28 self.config = config
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29 #authenticate this mercurial request using
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30 realm = '%s %s' % (config['hg_app_name'], 'mercurial repository')
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31 self.authenticate = AuthBasicAuthenticator(realm, authfunc)
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32
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33 def __call__(self, environ, start_response):
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34 if not is_mercurial(environ):
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35 return self.application(environ, start_response)
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36 else:
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37 #===================================================================
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38 # AUTHENTICATE THIS MERCURIAL REQUEST
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39 #===================================================================
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40 username = REMOTE_USER(environ)
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41 if not username:
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42 result = self.authenticate(environ)
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43 if isinstance(result, str):
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44 AUTH_TYPE.update(environ, 'basic')
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45 REMOTE_USER.update(environ, result)
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46 else:
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47 return result.wsgi_application(environ, start_response)
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48
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49 try:
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50 repo_name = environ['PATH_INFO'].split('/')[1]
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51 except:
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52 return HTTPNotFound()(environ, start_response)
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53
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54 #since we wrap into hgweb, just reset the path
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55 environ['PATH_INFO'] = '/'
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56 self.baseui = make_ui()
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57 self.basepath = self.baseui.configitems('paths')[0][1]\
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58 .replace('*', '')
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59 self.repo_path = os.path.join(self.basepath, repo_name)
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60 try:
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61 app = wsgiapplication(self._make_app)
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62 except Exception as e:
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63 return HTTPNotFound()(environ, start_response)
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64
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65 """we know that some change was made to repositories and we should
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66 invalidate the cache to see the changes right away"""
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67 invalidate_cache('full_changelog', repo_name)
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68 return app(environ, start_response)
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69
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70 def _make_app(self):
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71 hgserve = hgweb(self.repo_path)
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72 return self.load_web_settings(hgserve)
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75 def load_web_settings(self, hgserve):
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76 repoui = make_ui(os.path.join(self.repo_path, '.hg', 'hgrc'), False)
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77 #set the global ui for hgserve
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78 hgserve.repo.ui = self.baseui
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80 if repoui:
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81 #set the repository based config
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82 hgserve.repo.ui = repoui
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83
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84 return hgserve
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